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Jim Steineke

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Jim Steineke (born November 23, 1970) is a Wisconsin real estate agent and Republican politician from Kaukauna. He served as the Majority Leader of the Wisconsin State Assembly from 2015 to 2022 and represented the 5th Assembly District from 2011 to 2022.

Born in Milwaukee, Steineke attended the University of Wisconsin–Oshkosh and the University of Wisconsin–Milwaukee, and he worked as a realtor. He held local government roles before joining the state legislature, including on the Vandenbroek town board (2005–2011, chair 2007–2011) and the Outagamie County board (2006–2011).

Steineke was elected to the Wisconsin State Assembly in 2010, defeating Democrat Tom Nelson. He is known for advocating limited government and lower taxes. He was re-elected as Assembly Majority Leader in 2020.

In 2021, Steineke supported the Wisconsin Supreme Court’s decision to block Governor Tony Evers from extending a COVID-19 mask mandate. In January 2022, he announced he would not seek re-election, and he left the Assembly later that year. He criticized Michael Gableman’s 2020 election review, saying that decertifying the 2020 election would be the end of the republic.


This page was last edited on 2 February 2026, at 23:49 (CET).